#pragma once
#include <string>
class STU
{
public:
	int num=0;
	int grade = 0;
	std::string name;;
	STU() {}
	STU(int a,int b,std::string c):num(a),grade(b),name(c){}
	STU operator+=(const STU s);
	STU& operator++();
	STU& operator--();
	STU& operator++(int);
	STU& operator--(int);
	void operator()(int);
};
